Wrong use of solvent

If it is slightly separated, adding the suitable solvent, slowly and shaking it constantly may give satisfactory results

The paint has been subject to cold and hot conditions

Store the material at the temperature indicated in the specifications. If the separation is produced by excessive heat or cold, the system to use is similar to the one used in e)

Excessive dilution

The specific instructions must be followed for an adequate dilution. If the material has excessive dilution, many a time the addition of paint will return the lot to its normal state.

The paint thinner has been added too quickly without shaking it sufficiently

Add the paint thinner slowly, shaking constantly.

Natural oxidation of the paint if the container is left open for a certain period

If the oxidation is not very serious, the paint will return to its normal condition by adding the necessary amount of paint thinner and new paint. Usually, choosing a stronger paint thinner is better than the first one recommended